| gvSIG desktop 1

            Envelope aux = feature.getDefaultEnvelope();

            if (aux != null) { //There are geometries

            	if (envelope == null) {

            		try {

            			envelope = (Envelope) aux.clone();

            		} catch (CloneNotSupportedException e) {

            			envelope = feature.getDefaultEnvelope();

            		}

            	} else {

            		envelope.add(feature.getDefaultEnvelope());

            	}

            }